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[Xen-devel] [xen-4.1-testing bisection] complete test-amd64-i386-xl-credit2



branch xen-4.1-testing
xen branch xen-4.1-testing
job test-amd64-i386-xl-credit2
test leak-check/check

Tree: linux git://xenbits.xen.org/linux-pvops.git
Tree: qemu git://xenbits.xen.org/staging/qemu-xen-4.1-testing.git
Tree: xen http://xenbits.xen.org/hg/staging/xen-4.1-testing.hg

*** Found and reproduced problem changeset ***

  Bug is in tree:  xen http://xenbits.xen.org/hg/staging/xen-4.1-testing.hg
  Bug introduced:  93e17b0cd035
  Bug not present: 255a0b6a8104


  changeset:   23428:93e17b0cd035
  tag:         tip
  user:        Greg Wettstein <greg@xxxxxxxxxxxx>
  date:        Thu Dec 13 14:35:58 2012 +0000
      
      libxl: avoid blktap2 deadlock on cleanup
      
      Establishes correct cleanup behavior for blktap devices.  This patch
      implements the release of the backend device before calling for
      the destruction of the userspace component of the blktap device.
      
      Without this patch the kernel xen-blkback driver deadlocks with
      the blktap2 user control plane until the IPC channel is terminated by the
      timeout on the select() call.  This results in a noticeable delay
      in the termination of the guest and causes the blktap minor
      number which had been allocated to be orphaned.
      
      Signed-off-by: Greg Wettstein <greg@xxxxxxxxxxxx>
      Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
      Signed-off-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
      Committed-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
      
      


For bisection revision-tuple graph see:
   
http://www.chiark.greenend.org.uk/~xensrcts/results/bisect.xen-4.1-testing.test-amd64-i386-xl-credit2.leak-check--check.html
Revision IDs in each graph node refer, respectively, to the Trees above.

----------------------------------------
Searching for failure / basis pass:
 14756 fail [host=woodlouse] / 14679 [host=bush-cricket] 14677 
[host=potato-beetle] 14675 [host=field-cricket] 14662 ok.
Failure / basis pass flights: 14756 / 14662
Tree: linux git://xenbits.xen.org/linux-pvops.git
Tree: qemu git://xenbits.xen.org/staging/qemu-xen-4.1-testing.git
Tree: xen http://xenbits.xen.org/hg/staging/xen-4.1-testing.hg
Latest a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
Basis pass a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 309ff3ad9dcc
Generating revisions with ./adhoc-revtuple-generator  
git://xenbits.xen.org/linux-pvops.git#a938a246d34912423c560f475ccf1ce0c71d9d00-a938a246d34912423c560f475ccf1ce0c71d9d00
 
git://xenbits.xen.org/staging/qemu-xen-4.1-testing.git#b36c42985575cd6d761d39e5770e57a1f52832ae-b36c42985575cd6d761d39e5770e57a1f52832ae
 http://xenbits.xen.org/hg/staging/xen-4.1-testing.hg#309ff3ad9dcc-93e17b0cd035
pulling from ssh://xen@xxxxxxxxxxxxxxx/HG/staging/xen-4.1-testing.hg
searching for changes
no changes found
pulling from ssh://xen@xxxxxxxxxxxxxxx/HG/staging/xen-4.1-testing.hg
searching for changes
no changes found
Loaded 1001 nodes in revision graph
Searching for test results:
 14684 blocked a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
 14677 [host=potato-beetle]
 14662 pass a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 309ff3ad9dcc
 14675 [host=field-cricket]
 14679 [host=bush-cricket]
 14689 fail a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
 14699 blocked a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
 14706 blocked a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
 14728 fail a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
 14757 blocked a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 255a0b6a8104
 14758 blocked a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 255a0b6a8104
 14759 blocked a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 255a0b6a8104
 14760 pass a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 255a0b6a8104
 14715 blocked a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
 14756 fail a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
 14739 fail a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
 14761 fail a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
 14747 blocked a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 309ff3ad9dcc
 14749 blocked a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 309ff3ad9dcc
 14763 blocked a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 255a0b6a8104
 14750 pass a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 309ff3ad9dcc
 14751 fail a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
 14764 pass a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 255a0b6a8104
 14752 pass a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae e77f613c133a
 14753 pass a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae a866cc5b8235
 14765 blocked a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
 14754 pass a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 255a0b6a8104
 14748 fail a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
 14755 fail a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
 14766 blocked a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
 14767 fail a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
Searching for interesting versions
 Result found: flight 14662 (pass), for basis pass
 Result found: flight 14689 (fail), for basis failure
 Repro found: flight 14750 (pass), for basis pass
 Repro found: flight 14751 (fail), for basis failure
 0 revisions at a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 255a0b6a8104
No revisions left to test, checking graph state.
 Result found: flight 14754 (pass), for last pass
 Result found: flight 14755 (fail), for first failure
 Repro found: flight 14760 (pass), for last pass
 Repro found: flight 14761 (fail), for first failure
 Repro found: flight 14764 (pass), for last pass
 Repro found: flight 14767 (fail), for first failure

*** Found and reproduced problem changeset ***

  Bug is in tree:  xen http://xenbits.xen.org/hg/staging/xen-4.1-testing.hg
  Bug introduced:  93e17b0cd035
  Bug not present: 255a0b6a8104

pulling from ssh://xen@xxxxxxxxxxxxxxx/HG/staging/xen-4.1-testing.hg
searching for changes
no changes found

  changeset:   23428:93e17b0cd035
  tag:         tip
  user:        Greg Wettstein <greg@xxxxxxxxxxxx>
  date:        Thu Dec 13 14:35:58 2012 +0000
      
      libxl: avoid blktap2 deadlock on cleanup
      
      Establishes correct cleanup behavior for blktap devices.  This patch
      implements the release of the backend device before calling for
      the destruction of the userspace component of the blktap device.
      
      Without this patch the kernel xen-blkback driver deadlocks with
      the blktap2 user control plane until the IPC channel is terminated by the
      timeout on the select() call.  This results in a noticeable delay
      in the termination of the guest and causes the blktap minor
      number which had been allocated to be orphaned.
      
      Signed-off-by: Greg Wettstein <greg@xxxxxxxxxxxx>
      Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
      Signed-off-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
      Committed-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
      
      

Revision graph left in 
/home/xc_osstest/results/bisect.xen-4.1-testing.test-amd64-i386-xl-credit2.leak-check--check.{dot,ps,png,html}.
----------------------------------------
14767: tolerable ALL FAIL

flight 14767 xen-4.1-testing real-bisect [real]
http://www.chiark.greenend.org.uk/~xensrcts/logs/14767/

Failures :-/ but no regressions.

Tests which did not succeed,
including tests which could not be run:
 test-amd64-i386-xl-credit2   18 leak-check/check        fail baseline untested


jobs:
 test-amd64-i386-xl-credit2                                   fail    


------------------------------------------------------------
sg-report-flight on woking.cam.xci-test.com
logs: /home/xc_osstest/logs
images: /home/xc_osstest/images

Logs, config files, etc. are available at
    http://www.chiark.greenend.org.uk/~xensrcts/logs

Test harness code can be found at
    http://xenbits.xensource.com/gitweb?p=osstest.git;a=summary


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